<div class="ali-danmuku-control">
  <div class="ali-danmu-input-wrap"></div>
  <i class="iconfont icon-danmu-close"></i>
  <div class="player-tooltip close"></div>
  <i class="iconfont icon-danmu-open" style="display: none;"></i>
  <div class="player-tooltip open"></div>  
</div>